diff options
Diffstat (limited to 'drivers/gpu/drm/msm/dsi/dsi_manager.c')
-rw-r--r-- | drivers/gpu/drm/msm/dsi/dsi_manager.c | 79 |
1 files changed, 27 insertions, 52 deletions
diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index af2a287cb3..5b3f3068fd 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -423,7 +423,18 @@ static enum drm_mode_status dsi_mgr_bridge_mode_valid(struct drm_bridge *bridge, return msm_dsi_host_check_dsc(host, mode); } +static int dsi_mgr_bridge_attach(struct drm_bridge *bridge, + enum drm_bridge_attach_flags flags) +{ + int id = dsi_mgr_bridge_get_id(bridge); + struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); + + return drm_bridge_attach(bridge->encoder, msm_dsi->next_bridge, + bridge, flags); +} + static const struct drm_bridge_funcs dsi_mgr_bridge_funcs = { + .attach = dsi_mgr_bridge_attach, .pre_enable = dsi_mgr_bridge_pre_enable, .post_disable = dsi_mgr_bridge_post_disable, .mode_set = dsi_mgr_bridge_mode_set, @@ -431,17 +442,19 @@ static const struct drm_bridge_funcs dsi_mgr_bridge_funcs = { }; /* initialize bridge */ -struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi, - struct drm_encoder *encoder) +int msm_dsi_manager_connector_init(struct msm_dsi *msm_dsi, + struct drm_encoder *encoder) { + struct drm_device *dev = msm_dsi->dev; struct drm_bridge *bridge; struct dsi_bridge *dsi_bridge; + struct drm_connector *connector; int ret; dsi_bridge = devm_kzalloc(msm_dsi->dev->dev, sizeof(*dsi_bridge), GFP_KERNEL); if (!dsi_bridge) - return ERR_PTR(-ENOMEM); + return -ENOMEM; dsi_bridge->id = msm_dsi->id; @@ -450,60 +463,22 @@ struct drm_bridge *msm_dsi_manager_bridge_init(struct msm_dsi *msm_dsi, ret = devm_drm_bridge_add(msm_dsi->dev->dev, bridge); if (ret) - return ERR_PTR(ret); + return ret; - ret = drm_bridge_attach(encoder, bridge, NULL, 0); + ret = drm_bridge_attach(encoder, bridge, NULL, DRM_BRIDGE_ATTACH_NO_CONNECTOR); if (ret) - return ERR_PTR(ret); - - return bridge; -} - -int msm_dsi_manager_ext_bridge_init(u8 id, struct drm_bridge *int_bridge) -{ - struct msm_dsi *msm_dsi = dsi_mgr_get_dsi(id); - struct drm_device *dev = msm_dsi->dev; - struct drm_encoder *encoder; - struct drm_bridge *ext_bridge; - int ret; + return ret; - ext_bridge = devm_drm_of_get_bridge(&msm_dsi->pdev->dev, - msm_dsi->pdev->dev.of_node, 1, 0); - if (IS_ERR(ext_bridge)) - return PTR_ERR(ext_bridge); - - encoder = int_bridge->encoder; - - /* - * Try first to create the bridge without it creating its own - * connector.. currently some bridges support this, and others - * do not (and some support both modes) - */ - ret = drm_bridge_attach(encoder, ext_bridge, int_bridge, - DRM_BRIDGE_ATTACH_NO_CONNECTOR); - if (ret == -EINVAL) { - /* - * link the internal dsi bridge to the external bridge, - * connector is created by the next bridge. - */ - ret = drm_bridge_attach(encoder, ext_bridge, int_bridge, 0); - if (ret < 0) - return ret; - } else { - struct drm_connector *connector; - - /* We are in charge of the connector, create one now. */ - connector = drm_bridge_connector_init(dev, encoder); - if (IS_ERR(connector)) { - DRM_ERROR("Unable to create bridge connector\n"); - return PTR_ERR(connector); - } - - ret = drm_connector_attach_encoder(connector, encoder); - if (ret < 0) - return ret; + connector = drm_bridge_connector_init(dev, encoder); + if (IS_ERR(connector)) { + DRM_ERROR("Unable to create bridge connector\n"); + return PTR_ERR(connector); } + ret = drm_connector_attach_encoder(connector, encoder); + if (ret < 0) + return ret; + return 0; } |